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11320420524 = 2237380335437
BaseRepresentation
bin10101000101011111…
…11110100010101100
31002012221100221120020
422202233332202230
5141141011424044
65111151522140
7550346662320
oct124257764254
932187327506
1011320420524
11488a09a546
12223b229350
1310b54250aa
1479567b980
15463c83a19
hex2a2bfe8ac

11320420524 has 48 divisors (see below), whose sum is σ = 30196578048. Its totient is φ = 3233464128.

The previous prime is 11320420523. The next prime is 11320420543. The reversal of 11320420524 is 42502402311.

It is a junction number, because it is equal to n+sod(n) for n = 11320420494 and 11320420503.

It is not an unprimeable number, because it can be changed into a prime (11320420523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301734 + ... + 337170.

It is an arithmetic number, because the mean of its divisors is an integer number (629095376).

Almost surely, 211320420524 is an apocalyptic number.

11320420524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11320420524 is an abundant number, since it is smaller than the sum of its proper divisors (18876157524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11320420524 is a wasteful number, since it uses less digits than its factorization.

11320420524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39254 (or 39252 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 11320420524 its reverse (42502402311), we get a palindrome (53822822835).

The spelling of 11320420524 in words is "eleven billion, three hundred twenty million, four hundred twenty thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3803 7606 11409 15212 22818 26621 35437 45636 53242 70874 79863 106311 106484 141748 159726 212622 248059 319452 425244 496118 744177 992236 1488354 2976708 134766911 269533822 404300733 539067644 808601466 943368377 1617202932 1886736754 2830105131 3773473508 5660210262 11320420524